PHP Engineer

As a PHP Engineer, you will work remotely reviewing AI-generated PHP code, backend architectures, and technical explanations while helping improve advanced AI coding systems used by developers worldwide.

This role focuses on evaluating backend engineering solutions, identifying correctness and security issues, and producing high-quality technical explanations and reference implementations.

Contributors help train AI systems using real-world expertise in:

• PHP backend engineering
• API architecture
• Database optimization
• Security practices
• Caching systems
• Performance optimization

Key Responsibilities

• Review AI-generated:

  • PHP code
  • Backend architectures
  • Technical explanations
  • API implementations

• Assess solutions for:

  • Correctness
  • Security
  • Performance
  • Clarity
  • Prompt adherence

• Identify issues involving:

  • Application architecture
  • Database usage
  • API design
  • Authentication
  • Authorization
  • Caching strategies
  • Security vulnerabilities

• Evaluate and improve:

  • Query optimization
  • Schema design
  • Transactions
  • Queue systems
  • Backend workflows

• Write:

  • Technical explanations
  • Step-by-step reasoning
  • Reference implementations
  • Best-practice backend solutions

• Compare and evaluate AI responses based on:

  • Technical accuracy
  • Security standards
  • Maintainability
  • Reasoning quality

• Contribute to AI model evaluation and training workflows

Required Qualifications

• Bachelor’s degree or higher in:
  • Computer Science
  • Software Engineering
  • Related technical fields

or equivalent professional experience.

• Minimum 4 years of professional backend PHP development experience

• Expert-level proficiency in:

  • PHP 7.4+
  • PHP 8+
  • OOP
  • Strict typing
  • Namespaces
  • Composer
  • Design patterns

• Strong backend engineering knowledge involving:

  • HTTP
  • REST APIs
  • Authentication
  • Authorization
  • Sessions
  • Queues
  • Caching systems

• Deep database experience with:

  • MySQL
  • PostgreSQL
  • Schema design
  • Query optimization
  • Transactions
  • Indexing

• Experience with frameworks such as:

  • Laravel
  • Symfony

• Strong understanding of:

  • Dependency injection
  • Middleware
  • ORM tradeoffs

• Security-focused mindset with experience applying:

  • OWASP Top 10
  • Input validation
  • SQL injection prevention
  • XSS prevention
  • CSRF protection
  • Secure secrets handling

• Familiarity with:

  • CI/CD workflows
  • Automated testing
  • PHPUnit
  • Integration testing
  • Mocking strategies

• C1-level English proficiency

• Strong technical writing and code review abilities

Preferred Qualifications

• Experience involving:

  • AI training workflows
  • AI annotation
  • AI-generated code evaluation

• Strong debugging and backend systems analysis abilities

• Attention to detail identifying subtle bugs and security risks

Work Structure

• Fully remote contractor role
• Flexible work schedule
• Hourly compensation
• Weekly payments after approved work

Important Note

There is currently no immediate active project for this role. Qualified candidates will join the expert network and may be contacted for future opportunities and AI-related projects.

About SME Careers

SME Careers is an AI data services company and subsidiary of SuperAnnotate that provides expert training data to leading AI companies and foundation model labs worldwide.

Contributors directly help improve how advanced AI systems reason about backend engineering and software development.